CNMG 120408-BM ET801 Carbide Medium & Unstable Cutting Inserts Edgetech

£3.57

(Exc. 20% VAT)

~~£12.76~~

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Part Number

TI00074

Shape

CNMG

Relief Angle

Negative = 0° (Clamp or Lever)

Edge Length

12 (12.7mm)

Thickness ISO/mm

04 (4.76mm)

Radius

08 (0.8mm)

Grade

ET801

Chipbreaker Code

BM

Interrupted Cut?

No - Stable conditions

Will Cut Steel? (P-Blue)

Yes - Excellent

Will Cut Stainless Steel? (M-Yellow)

Yes

Will Cut Cast Iron? (K-Red)

Yes - Excellent

Will Cut Heat Resistant Alloys? (S-Orange)

No

Will Cut Non-Ferrous? (N-Green)

No

Will Cut Hardened Steel? (H-Grey)

Yes

Information

ISO Designation	Edge Length LE (mm)	Thickness S (mm)	Radius RE(mm)	Chipbreaker	Grade
CNMG120408-BM	12 (12.7)	04 (4.76)	08 (0.8)	BM	ET801

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Grade: ET801
Type: Single layer PVD coated grades are designed to balance edge strength with extended tool life.
Colour: Gold
Grade Summary: ET801 Turning grade for mid and low cutting conditions in most Steels and Cast Iron.
Type of Cut: BM chipbreaker - Medium cutting and unstable conditions.
Best for: Steels, Tough Hardened Steel & Cast Iron.

Technical Data & Info

Feed Rate & Depth of Cut

fn (mm/rev)	0.5 - 0.30
ap (mm)	1.0 - 3.0

Speeds Chart

Material VDI Group	Material Designation	Material Condition	Hardness	Grade	Speed M/Min
1	Non-alloy steel & Cast steel, Free cutting steel <0.15%C.	Annealed	≤125 HB	ET801	120 - 200
2	Non-alloy steel & Cast steel, Free cutting steel <0.45%C.	Annealed	≤190 HB	ET801	120 - 200
3	Non-alloy steel & Cast steel, Free cutting steel <0.45%C.	Annealed	≤250 HB	ET801	120 - 200
4	Non-alloy steel & Cast steel, Free cutting steel <0.75%C.	Annealed	≤270 HB	ET801	120 - 200
5	Non-alloy steel & Cast steel, Free cutting steel <0.75%C.	Quenched & Tempered	≤300 HB	ET801	120 - 200
6	Low-alloy steel & Cast steel (less than 5% of alloying elements)	Annealed	≤180 HB	ET801	70 - 230
7	Low-alloy steel & Cast steel (less than 5% of alloying elements)	Quenched & Tempered	≤275 HB	ET801	70 - 230
8	Low-alloy steel & Cast steel (less than 5% of alloying elements)	Quenched & Tempered	≤300 HB	ET801	70 - 230
9	Low-alloy steel & Cast steel (less than 5% of alloying elements)	Quenched & Tempered	≤350 HB	ET801	70 - 230
10	High-alloy steel, Cast steel & Tool steel	Annealed	≤200 HB	ET801	70 - 180
11	High-alloy steel, Cast steel & Tool steel	Quenched & Tempered	≤325 HB	ET801	70 - 180
12	Stainless steel & Cast stainless steel	Ferritic/Martensitic, Annealed	≤200 HB	ET801	70 - 180
13	Stainless steel & Cast stainless steel	Martensitic, Quenched & Tempered	≤240 HB	ET801	70 - 180
15	Grey cast iron	Pearlitic/Ferritic	≤180 HB	ET801	60 - 160
16	Grey cast iron	Pearlitic (Martensitic)	≤260 HB	ET801	60 - 160
17	Nodular cast iron	Ferritic	≤160 HB	ET801	60 - 120
18	Nodular cast iron	Pearlitic	≤250 HB	ET801	60 - 120
19	Malleable cast iron	Ferritic	≤130 HB	ET801	60 - 120
20	Malleable cast iron	Pearlitic	≤230 HB	ET801	60 - 120
38	Hardened steel	Hardened	≤550 HB	ET801	40 - 80
39	Hardened steel	Hardened	>550 HB	ET801	40 - 80
40	Chilled cast iron	Cast	≤400 HB	ET801	40 - 80
41	Hardened cast iron	Hardened	≤550 HB	ET801	40 - 80